Children (19 direct children, 19 direct and indirect children):
Hypoptopoma spectabile
Hypoptopoma machadoi
Hypoptopoma gulare
Hypoptopoma incognitum
Hypoptopoma steindachneri
Hypoptopoma inexspectatum
Hypoptopoma psilogaster
Hypoptopoma thoracatum
Hypoptopoma baileyi
Hypoptopoma elongatum
Hypoptopoma muzuspi
Hypoptopoma bianale
Hypoptopoma guianense
Hypoptopoma sternoptychum
Hypoptopoma brevirostratum
Hypoptopoma bilobatum
Hypoptopoma guentheri
Hypoptopoma joberti
Hypoptopoma carinatum